diff --git a/scss.inc.php b/scss.inc.php
index 7ba58295..30d872d9 100644
--- a/scss.inc.php
+++ b/scss.inc.php
@@ -585,7 +585,7 @@ protected function compileChild($child, $out) {
 			} else {
 				foreach ($if->cases as $case) {
 					if ($case->type == "else" ||
-						$case->type == "elseif" && $this->isTruthy($case->cond))
+						$case->type == "elseif" && $this->isTruthy($this->reduce($case->cond)))
 					{
 						return $this->compileChildren($case->children, $out);
 					}
diff --git a/tests/inputs/if.scss b/tests/inputs/if.scss
index 3a7a816e..d62b056a 100644
--- a/tests/inputs/if.scss
+++ b/tests/inputs/if.scss
@@ -35,6 +35,13 @@ span {
         color: 20px;
     }
 
+    @if false {
+        height: 10px;
+    } @elseif false {
+        color: 20px;
+    } @else {
+        width: 20px;
+    }
 }
 
 div {
diff --git a/tests/outputs/if.css b/tests/outputs/if.css
index b2a90666..b9d05205 100644
--- a/tests/outputs/if.css
+++ b/tests/outputs/if.css
@@ -10,7 +10,8 @@ pre {
 
 span {
   color: blue;
-  height: 10px; }
+  height: 10px;
+  width: 20px; }
 
 div {
   color: blue;