diff --git a/bash_profile b/bash_profile
index 00d7332..54ecea6 100644
--- a/bash_profile
+++ b/bash_profile
@@ -39,7 +39,11 @@ extract(){
 			*.tar)       tar xf $1        ;;
 			*.tbz2)      tar xjf $1      ;;
 			*.tgz)       tar xzf $1       ;;
-			*.zip)       unzip $1     ;;
+			*.zip)       if [ -n $2 ] ; then
+                             unzip $1 -d $2
+                         else
+                             unzip $1   
+                         fi ;;
 			*.Z)         uncompress $1  ;;
 			*.7z)        7z x $1    ;;
 			*)           echo "'$1' cannot be extracted via extract()" ;;
diff --git a/zshrc b/zshrc
index e8b679c..78f8e78 100644
--- a/zshrc
+++ b/zshrc
@@ -73,7 +73,11 @@ extract(){
 			*.tar)       tar xf $1        ;;
 			*.tbz2)      tar xjf $1      ;;
 			*.tgz)       tar xzf $1       ;;
-			*.zip)       unzip $1     ;;
+			*.zip)       if [ -n $2 ] ; then
+                            unzip $1 -d $2
+                         else
+                            unzip $1
+                         fi;;
 			*.Z)         uncompress $1  ;;
 			*.7z)        7z x $1    ;;
 			*)           echo "'$1' cannot be extracted via extract()" ;;