diff --git a/src/cmd/gc/lex.c b/src/cmd/gc/lex.c
index 140153a646..b393bccc45 100644
--- a/src/cmd/gc/lex.c
+++ b/src/cmd/gc/lex.c
@@ -637,6 +637,11 @@ importfile(Val *f, int line)
 	
 	path = f->u.sval;
 	if(islocalname(path)) {
+		if(path->s[0] == '/') {
+			yyerror("import path cannot be absolute path");
+			fakeimport();
+			return;
+		}
 		cleanbuf = mal(strlen(pathname) + strlen(path->s) + 2);
 		strcpy(cleanbuf, pathname);
 		strcat(cleanbuf, "/");
diff --git a/test/import5.go b/test/import5.go
index 02d443b2e2..6480acff92 100644
--- a/test/import5.go
+++ b/test/import5.go
@@ -49,3 +49,7 @@ import "\x80\x80" // ERROR "import path"
 import `\x80\x80` // ERROR "import path"
 import "\xFFFD"   // ERROR "import path"
 import `\xFFFD`   // ERROR "import path"
+
+// Invalid local imports.
+import "/foo"  // ERROR "import path cannot be absolute path"
+import "c:/foo"  // ERROR "import path contains invalid character"