diff --git a/historic/jam/src/Jambase b/historic/jam/src/Jambase
index dcd9ec0a1..d3d80814f 100644
--- a/historic/jam/src/Jambase
+++ b/historic/jam/src/Jambase
@@ -282,9 +282,14 @@ if $(NT)
         ECHO  "  - define the JAM_TOOLSET environment variable with the *name*" ;
         ECHO  "    of the toolset variable you want to use." ;
         ECHO  ;
-        ECHO  "  e.g.:  set VISUALC=C:\Visual6" ;
+        ECHO  "  e.g.:  set VISUALC=C:\\Visual6" ;
         ECHO  "         set JAM_TOOLSET=VISUALC" ;
         ECHO  ;
+        ECHO  "  - if your toolset's installation path contains spaces, surround" ;
+        ECHO  "    it with quotes:" ;
+        ECHO  ;
+        ECHO  "    e.g.: set VISUALC=\"C:\\Program Files\\Microsoft Visual C++\\VC98\"" ;
+        ECHO  ;
         EXIT  ;
       }
     }
diff --git a/historic/jam/src/jambase.c b/historic/jam/src/jambase.c
index a478931ef..b54a899ee 100644
--- a/historic/jam/src/jambase.c
+++ b/historic/jam/src/jambase.c
@@ -80,9 +80,14 @@ char *jambase[] = {
 "ECHO  \"  - define the JAM_TOOLSET environment variable with the *name*\" ;\n",
 "ECHO  \"    of the toolset variable you want to use.\" ;\n",
 "ECHO  ;\n",
-"ECHO  \"  e.g.:  set VISUALC=C:\\Visual6\" ;\n",
+"ECHO  \"  e.g.:  set VISUALC=C:\\\\Visual6\" ;\n",
 "ECHO  \"         set JAM_TOOLSET=VISUALC\" ;\n",
 "ECHO  ;\n",
+"ECHO  \"  - if your toolset's installation path contains spaces, surround\" ;\n",
+"ECHO  \"    it with quotes:\" ;\n",
+"ECHO  ;\n",
+"ECHO  \"    e.g.: set VISUALC=\\\"C:\\\\Program Files\\\\Microsoft Visual C++\\\\VC98\\\"\" ;\n",
+"ECHO  ;\n",
 "EXIT  ;\n",
 "}\n",
 "}\n",
diff --git a/jam_src/Jambase b/jam_src/Jambase
index dcd9ec0a1..d3d80814f 100644
--- a/jam_src/Jambase
+++ b/jam_src/Jambase
@@ -282,9 +282,14 @@ if $(NT)
         ECHO  "  - define the JAM_TOOLSET environment variable with the *name*" ;
         ECHO  "    of the toolset variable you want to use." ;
         ECHO  ;
-        ECHO  "  e.g.:  set VISUALC=C:\Visual6" ;
+        ECHO  "  e.g.:  set VISUALC=C:\\Visual6" ;
         ECHO  "         set JAM_TOOLSET=VISUALC" ;
         ECHO  ;
+        ECHO  "  - if your toolset's installation path contains spaces, surround" ;
+        ECHO  "    it with quotes:" ;
+        ECHO  ;
+        ECHO  "    e.g.: set VISUALC=\"C:\\Program Files\\Microsoft Visual C++\\VC98\"" ;
+        ECHO  ;
         EXIT  ;
       }
     }
diff --git a/jam_src/jambase.c b/jam_src/jambase.c
index a478931ef..b54a899ee 100644
--- a/jam_src/jambase.c
+++ b/jam_src/jambase.c
@@ -80,9 +80,14 @@ char *jambase[] = {
 "ECHO  \"  - define the JAM_TOOLSET environment variable with the *name*\" ;\n",
 "ECHO  \"    of the toolset variable you want to use.\" ;\n",
 "ECHO  ;\n",
-"ECHO  \"  e.g.:  set VISUALC=C:\\Visual6\" ;\n",
+"ECHO  \"  e.g.:  set VISUALC=C:\\\\Visual6\" ;\n",
 "ECHO  \"         set JAM_TOOLSET=VISUALC\" ;\n",
 "ECHO  ;\n",
+"ECHO  \"  - if your toolset's installation path contains spaces, surround\" ;\n",
+"ECHO  \"    it with quotes:\" ;\n",
+"ECHO  ;\n",
+"ECHO  \"    e.g.: set VISUALC=\\\"C:\\\\Program Files\\\\Microsoft Visual C++\\\\VC98\\\"\" ;\n",
+"ECHO  ;\n",
 "EXIT  ;\n",
 "}\n",
 "}\n",