diff --git a/lib/ExtUtils/Depends.pm b/lib/ExtUtils/Depends.pm
index e3644fd..943df2a 100644
--- a/lib/ExtUtils/Depends.pm
+++ b/lib/ExtUtils/Depends.pm
@@ -219,11 +219,13 @@
 	{
 		instpath => $instpath,
 		typemaps => \@typemaps,
-		inc      => "-I$instpath $inc",
+		inc      => "-I". _quote_if_space($instpath) ." $inc",
 		libs     => $libs,
 		deps     => \@deps,
 	}
 }
+
+sub _quote_if_space { $_[0] =~ / / ? qq{"$_[0]"} : $_[0] }
 
 sub load_deps {
 	my $self = shift;
@@ -362,7 +364,9 @@
 		}, map { -d $_ ? ($_) : () } @INC); # only extant dirs
 
 		if ($matching_file && -f $matching_file) {
-			push @found_libs, ('-L' . $matching_dir, '-l' . $stem);
+			push @found_libs,
+				'-L' . _quote_if_space($matching_dir),
+				'-l' . $stem;
 			# Android's linker ignores the RTLD_GLOBAL flag
 			# and loads everything as if under RTLD_LOCAL.
 			# What this means in practice is that modules need